• Transmitter:68x4816mm,receiver:69x104x23mm 
• Wireless Receiver very sensitive,alert when the magnet set apart 10mm 
• Sound up to 105dbs,36 pcs ringtones in storage;operating range(open area):200M 
• Hight low volume adjustable, 
• Factory 2 year quality warranty

Transmitter power:1x12v 23A(included) can use up to 1 year, please change the power when it work not sensitive as usual. 
Receiver power:AC 110v With CE & Rhos Approval, 
2 years warranty, the transmitter can use up to 100,000 times. 

Including two screws and sticker -Extremely easy to use and install 
Receiver indicator (Blue LED) 
Magnetive Transmitter with LED light 
Power supply(receiver): AC 110V 
Push button battery included (1 x 12 Volt 23A) 
100,000 sets of coding to avoid interference 

Way of Packaging : Double Blister